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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
24 Oct 1997 01:16:56 yearsecs  25579016
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.56   50.13  -63.06  359.89
    1.00  -59.11   65.13  -59.82   16.26
    2.00  -59.91   80.13  -57.29   31.60
    3.00  -60.34   95.13  -54.57   45.79
    4.00  -60.35  110.13  -51.64   58.88
    5.00  -61.44  125.13  -50.27   72.06
    6.00  -62.64  140.13  -49.58   84.18
    7.00  -63.52  155.13  -49.14   95.42
    8.00  -63.79  170.13  -48.54  106.11
    9.00  -63.15  185.13  -47.49  116.49
   10.00  -62.73  200.13  -47.27  126.96
   11.00  -62.53  215.13  -47.93  137.51
   12.00  -62.56  230.13  -49.36  148.17
   13.00  -62.82  245.13  -51.42  158.90
   14.00  -63.30  260.13  -54.05  169.64
   15.00  -64.00  275.13  -57.20  180.29
   16.00  -64.93  290.13  -60.94  190.70
   17.00  -64.20  305.13  -63.67  203.57
   18.00  -63.70  320.13  -66.93  217.70
   19.00  -63.54  335.13  -70.53  234.03
   20.00  -62.68  350.13  -73.06  256.18
   21.00  -60.69    5.13  -73.13  285.58
   22.00  -60.27   20.13  -72.31  315.96
   23.00  -58.46   35.13  -67.06  340.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.56   50.13  -69.59    6.31
    1.00  -64.11   65.13  -66.19   23.61
    2.00  -64.91   80.13  -63.27   39.05
    3.00  -65.34   95.13  -60.17   52.50
    4.00  -67.22  110.13  -58.93   66.68
    5.00  -68.40  125.13  -57.49   78.44
    6.00  -69.52  140.13  -56.64   89.14
    7.00  -68.96  155.13  -54.68   98.24
    8.00  -69.94  170.13  -54.74  108.14
    9.00  -70.45  185.13  -54.81  117.52
   10.00  -70.36  200.13  -54.79  126.64
   11.00  -70.18  215.13  -55.27  135.81
   12.00  -70.07  230.13  -56.37  145.09
   13.00  -70.18  245.13  -58.12  154.40
   14.00  -70.26  260.13  -60.23  163.83
   15.00  -69.93  275.13  -62.39  173.89
   16.00  -70.13  290.13  -65.42  183.50
   17.00  -69.20  305.13  -67.96  195.56
   18.00  -68.70  320.13  -71.22  208.44
   19.00  -68.54  335.13  -74.90  223.33
   20.00  -67.68  350.13  -77.81  245.79
   21.00  -65.69    5.13  -78.46  280.04
   22.00  -65.27   20.13  -78.12  316.59
   23.00  -63.46   35.13  -73.39  345.09
</PRE>


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